arbitration
Concise Oxford English Dictionary © 2008 Oxford University Press:
arbitration/ɑːbɪˈtreɪʃn/
▶noun the use of an arbitrator to settle a dispute.
– derivatives
arbitrate verb.
arbitrate verb.
– origin ME: from L. arbitratio(n-), from arbitrat-, arbitrari, from arbiter ‘judge, supreme ruler’.
'arbitration' also found in these Oxford entries:

